As for tracking a lost drone: beware that the distance that LoRa can cover when the device is on the ground, is much less than for a device that’s up in the air. Also note that tracking probably needs a GPS anyway; see Location by triangulation.
As for tracking a lost drone: beware that the distance that LoRa can cover when the device is on the ground, is much less than for a device that’s up in the air. Also note that tracking probably needs a GPS anyway; see Location by triangulation.